Grumman S-2 A, S-2C, S2F, C1A Aircraft Maintenance Instructions Manual (1973):
Hydraulic Systems.(NAVAIR 01-85SAA-2-3)
Utility Systems .(NAVAIR 01-85SAA-2-4)
Power plant and Related systems.(NAVAIR 01-85SAA-2-5)
Intruments (NAVAIR 01-85SAA-2-6)
original paper manual (English language)